ABB ACH550-02-645A-4 [30/454] Preparing for installation

ABB ACH550-02-645A-4 [30/454] Preparing for installation
26 Preparing for installation
ACH550-02 User’s Manual
Note 1: The abbreviations used in the table are defined below.
Note 2: The motor manufacturer should be consulted regarding
the construction of the motor insulation and additional
requirements for explosion-safe (Ex) motors.
Standard Û
LL
=
1300 V
420 V < U
N
<
500 V
+ du/dt + du/dt + du/dt
+ insulated N-bearing
Reinforced
0.2 V/us
420 V < U
N
<
500 V
- - + insulated N-bearing
Abbreviation Definition
U
N
Nominal voltage of the supply network
Û
LL
Peak line-to-line voltage at motor terminals which the motor insulation
must withstand
P
N
Motor nominal power
du/dt External du/dt filter at the output of the drive available as an additional
device from ABB.
CMF Common mode filter toroidal cores, included into the drive as standard.
N N-end bearing: insulated motor non-driven end bearing
Random wound motors and generators of series M2_ and M3_

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